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lesantik [10]
2 years ago
14

5x-7=4 ------ 7 где полосочки это дробная черта

Mathematics
1 answer:
otez555 [7]2 years ago
4 0

Answer:

5x-6+7

That's the answer

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irga5000 [103]
To solve for x, add 3 to both sides, multiply both sides by -1, then take the square both sides.
3- \sqrt{x} =0\\- \sqrt{x} =-3 \\  \sqrt{x} =3 \\ x=3^2=9

4 0
3 years ago
SOMONE PLEASE HELP ME ASAPPPPPPPP!!!!!!!!! I WILL GIVE YOU A GOOD RATE AND MARK YOU THE BRAINLIEST JUST ANSWER THIS CORRECTLY AN
Maslowich
Okay. I’m no mathematician, but I’m pretty sure it would be 995/90 = h. I used the “/” as the divide symbol. This would be the equation because you need to divide the total by the cash per hour to be able to get the number of hours the plumber worked. I really hope this helps!
3 0
3 years ago
A group of students goes out to lunch. If two have burritos and five have tacos, the bill will be $19.50. If five students have
nikklg [1K]

Answer:

The price of the burrito is $3.5 and the price of the taco is $2.5.

Step-by-step explanation:

2x+5y=19.5

5x+2y=22.5

------------------

5(2x+5y)=5(19.5)

-2(5x+2y)=-2(22.5)

-----------------------------

10x+25y=97.5

-10x-4y=-45

-----------------------

21y=52.5

y=52.5/21=2.5

2x+5(2.5)=19.5

2x+12.5=19.5

2x=19.5-12.5

2x=7

x=7/2=3.5

x=3.5, y=2.5

The price of the burrito is $3.5 and the price of the taco is $2.5.

8 0
3 years ago
I'm horrible with adding words to math, and I'm incapable of talking so I couldn't do the audio assignment.
aev [14]

Answer:

Do you have any key words from the unit?


Step-by-step explanation:


8 0
3 years ago
On a 66-sided number cube, which is more likely: rolling an odd number or rolling an even number?
statuscvo [17]
Hello, how have you been?

I believe that the answer to this question is exactly %55. There is 33 even numbers, and 33 odd numbers :)

Hope i helped :)
5 0
3 years ago
Read 2 more answers
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